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Hostname

eri.cz

Last fetched

eri.cz resolves to 1 IPv4 address operated by AS33943 in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · eri.czRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/eri.cz

Resolution chain

eri.cz resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
84.19.64.6284.19.64.0/19AS33943CZ

WHOIS identity

Registrar
registrar:reg-active24
Organization
český bezdrát mobile s.r.o.
Contact emails

Subdomains

53 observed subdomains of eri.cz.

Web-graph footprint

Distinct hostnames that link to or from eri.cz in the public web crawl.

22 sites link to this hostname.

1 site linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for eri.cz.

MechanismTarget
SPF_IP213.226.224.0/28
SPF_IP2a0a:8380:0:0:0:0:0:fc03
SPF_IP84.19.64.0/24
SPF_IP84.19.71.19
SPF_IP84.19.75.213
SPF_MXeri.cz

Related pages

Pivot deeper into the graph from eri.cz.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "eri.cz"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.